The Big Question: Why?

The image shows a split-screen: on the left, Donald Trump wearing a red 'Make America Great Again' cap and a red tie, standing in front of American flags; on the right, the blue flag of the European Union with its circle of yellow stars. The overlaid text reads 'JUST IN: 🇺🇸🇪🇺 President Trump announces 25% tariffs on the European Union.'